Follow-up Comment #12, bug #56449 (project make):
[comment #10 comment #10:]
> GNU Make emulates the behavior of the shell as if the user typed the
commands at the shell's prompt. It is true that you need to double the %
characters in batch files, but GNU Make doesn't behave like batch files do.
Follow-up Comment #7, bug #56449 (project make):
Hi, I'm the original author of this bug. It's some time ago I wrote this, so
maybe I've forgotten some details...
[comment #2 comment #2:]
> I see that this bug was fixed and closed, but looking at the result, I'm not
sure the fix is correct. If
Follow-up Comment #9, bug #56449 (project make):
[comment #6 comment #6:]
> But the result is wrong when %..% doesn't specify a known variable, most
probably because we invoke the command through a batch file.
The question may be, which of both results is the correct one. So if cmd.exe
has
Follow-up Comment #8, bug #56449 (project make):
[comment #5 comment #5:]
> Sorry, I think there's some confusion. All this patch does is detect if we
see a % in the command line and if so we do not take the fast path: instead we
take the slow path and invoke command.com.
>
> So we're not
-Philip Guenther guent...@gmail.com schrieb: -
Betreff: Re: make doesn't complain if target cannot be built
In many cases, I've found it completely unnecessary to
list the source files. Just list the objects that should be built and
provide pattern rules for the source types, then let
Am Dienstag, 14. Januar 2014, 08:12:38 schrieb Paul Smith:
Can you add the prerequisite to the pattern rules?
%.o : %.c generated.h
$(COMPILE.c) ...
%.o : %.cpp generated.h
$(COMPILE.cpp) ...
This has the definite potential downside that if generated.h changes
Hint: There's no file present from which foo.o can be built with implicit
rules.
Makefile 1:
--snip---
all: foo.o
--EOF---
# make foo.o
make: *** No rule to make target `foo.o'. Stop.
# echo $?
2
Makefile 2:
--snip---
all: foo.o
foo.o: generated.h
--EOF---
# touch generated.h
# make foo.o
Am Montag, 13. Januar 2014, 17:20:43 schrieb Paul Smith:
On Mon, 2014-01-13 at 22:23 +0100, Christian Eggers wrote:
In Makefile 2 my intention was to state that foo.o depends on some
generated header which must be generated first (might be in another
rule). But I didn't want to change
